/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/Scene/MeshSceneAdapter.h
EActorMeshComponentType enum is used to determine which type of Component anFActorChildMeshrepresents.
namespace UE { namespace Geometry { enum EActorMeshComponentType { StaticMesh, InstancedStaticMesh, HierarchicalInstancedStaticMesh, InternallyGeneratedComponent, Unknown, } } }